Microsoft Authenticator
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Recent Microsoft Authenticator Security Advisories
| Advisory | Title | Published |
|---|---|---|
| CVE-2026-41615 | CVE-2026-41615 Microsoft Authenticator Information Disclosure Vulnerability | May 14, 2026 |
| CVE-2026-26123 | CVE-2026-26123 Microsoft Authenticator Information Disclosure Vulnerability | March 10, 2026 |
| CVE-2024-21390 | Microsoft Authenticator Elevation of Privilege Vulnerability | March 12, 2024 |
By the Year
In 2026 there have been 2 vulnerabilities in Microsoft Authenticator with an average score of 7.6 out of ten. Authenticator did not have any published security vulnerabilities last year. That is, 2 more vulnerabilities have already been reported in 2026 as compared to last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 2 | 7.55 |
| 2025 | 0 | 0.00 |
| 2024 | 1 | 7.10 |
It may take a day or so for new Authenticator vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Microsoft Authenticator Security Vulnerabilities
May 2026: Microsoft Authenticator Information Disclosure Vulnerability
CVE-2026-41615
9.6 - Critical
- May 14, 2026
Exposure of sensitive information to an unauthorized actor in Microsoft Authenticator allows an unauthorized attacker to disclose information over a network.
Information Disclosure
Mar 2026: Microsoft Authenticator Information Disclosure Vulnerability
CVE-2026-26123
5.5 - Medium
- March 10, 2026
Cwe is not in rca categories in Microsoft Authenticator allows an unauthorized attacker to disclose information locally.
Improper Authorization in Handler for Custom URL Scheme
CVE-2024-21390: Microsoft Authenticator EoP Vulnerability
CVE-2024-21390
7.1 - High
- March 12, 2024
Microsoft Authenticator Elevation of Privilege Vulnerability
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